Barbara T. SmithThe Longest Day of Night (Photographs by Boris Sojka and Vaughan Rachel), 1973The Longest Day of Night (Souvenier booklet), 1973The Longest Day of Night (Invitation Scan), 1973The Longest Day of Night and Cross Fire, String of High Intensity Bulbs, 1973The Longest Day of Night, Audio Oscillator, 1973

Barbara T. SmithThe Longest Day of Night (Photographs by Boris Sojka and Vaughan Rachel), 1973 The Longest Day of Night (Souvenier booklet), 1973The Longest Day of Night (Invitation Scan), 1973The Longest Day of Night and Cross Fire, String of High Intensity Bulbs, 1973 The Longest Day of Night, Audio Oscillator, 1973